package com.TODAY.XMLParser;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URLEncoder;
import java.util.ArrayList;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpDelete;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.protocol.HTTP;

import android.util.Log;

public class RestClient{
	private ArrayList <NameValuePair> params;
	private ArrayList <NameValuePair> headers;
	private String url;
	private int responseCode;
	private String message;
	private String response;
	private HttpGet request;

	public String getResponse() {
		return response;
	}

	public String getErrorMessage() {
		return message;
	}

	public int getResponseCode() {
		return responseCode;
	}

	public RestClient(String url)
	{
		this.url = url;

		params = new ArrayList<NameValuePair>();
		headers = new ArrayList<NameValuePair>();
	}

	public void AddParam(String name, String value)
	{
		params.add(new BasicNameValuePair(name, value));
	}

	public void AddHeader(String name, String value)
	{
		headers.add(new BasicNameValuePair(name, value));
	}

	public void Execute(RequestMethod method) throws Exception
	{
		switch(method) {
			case GET:
			{
				//add parameters
				String combinedParams = "";
//				//                if(!params.isEmpty()){
				combinedParams += "?";
				for(NameValuePair p : params)
				{
					String paramString = p.getName() + "=" + URLEncoder.encode(p.getValue(),"UTF-8");
	
					if(combinedParams.length() > 1)
					{
						combinedParams  +=  "&" + paramString;
					}
					else
					{
						combinedParams += paramString;
					}
				}
				//                }
				//                Log.i("Params"," is Empty");
				request = new HttpGet("http://rss.cbs.co.kr/nocutnews.xml");
	
				Log.i("httpget", "httphet");
				//add headers
				for(NameValuePair h : headers)
				{
					request.addHeader(h.getName(), h.getValue());
				}
	
				executeRequest(request, this.url);
				Log.i("RestClient", this.url);
				break;
			}
			case POST:
			{
				HttpPost request = new HttpPost(url);
				//add headers
				for(NameValuePair h : headers)
				{
					request.addHeader(h.getName(), h.getValue());
				}
	
				Log.i("HTTP POST", "POST����");
	
				if(!params.isEmpty()){
					request.setEntity(new UrlEncodedFormEntity(params, HTTP.UTF_8));
				}
				executeRequest(request, url);
				break;
			}
			case PUT:
			{
				HttpPut request = new HttpPut(url);
	
				for(NameValuePair h : headers)
				{
					request.addHeader(h.getName(), h.getValue());
				}
	
				if(!params.isEmpty()){
					request.setEntity(new UrlEncodedFormEntity(params, HTTP.UTF_8));
				}
				executeRequest(request, url);
				break;
			}
			case DELETE:
			{
				HttpDelete request = new HttpDelete(url);
	
				for(NameValuePair h : headers)
				{
					request.addHeader(h.getName(), h.getValue());
				}
	
				executeRequest(request, url);
				break;
			}
		}
	}

	public void executeRequest(HttpUriRequest request, String url)
	{
		Log.i("Http Message", "message����");
		HttpClient client = new DefaultHttpClient();
		HttpResponse httpResponse;

		try {
			httpResponse = client.execute(request);
			responseCode = httpResponse.getStatusLine().getStatusCode();
			message = httpResponse.getStatusLine().getReasonPhrase();

			Log.i("Http Message", message);

			HttpEntity entity = httpResponse.getEntity();
			if (entity != null) {
				InputStream instream = entity.getContent();
				response = convertStreamToString(instream);
				// Closing the input stream will trigger connection release
				instream.close();
			}
		} catch (ClientProtocolException e)  {
			client.getConnectionManager().shutdown();
			e.printStackTrace();
		} catch (IOException e) {
			client.getConnectionManager().shutdown();
			e.printStackTrace();
		}
	}

	private static String convertStreamToString(InputStream is) {
		BufferedReader reader = new BufferedReader(new InputStreamReader(is));
		StringBuilder sb = new StringBuilder();
		String line = null;

		try {
			while ((line = reader.readLine()) != null) {
				sb.append(line + "\n");
			}
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			try {
				is.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
		return sb.toString();
	}
} 
